"She loves it. Most of the songs are pretty much just love letters, which when I can't articulate the way I feel with my words with no music, I go to the studio," Nick told Apple Music's Zane Lowe. "And I'm grateful to have that because it makes her happy, and that's most important."
The Voice coach says his upcoming album -- which comes out March 12 -- is "inherently hopeful," especially after a year like 2020. Check out the video below to hear more.